Yb3+/Ce3+/Er3+ codoped oxychloro tellurate glass and its preparation method

A technology of oxychlorotellurite and glass, which is applied in the field of oxychlorotellurite glass and its preparation, can solve the problems of low mechanical strength, poor chemical stability and thermal stability, and difficult application of fluoride glass, and achieve the elimination of Conversion phenomenon, improved fluorescence lifetime, and low production cost

Inactive Publication Date: 2006-06-14
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

However, due to the disadvantages of low mechanical strength, poor chemical stability and thermal stability, fluori

Method used

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  • Yb3+/Ce3+/Er3+ codoped oxychloro tellurate glass and its preparation method
  • Yb3+/Ce3+/Er3+ codoped oxychloro tellurate glass and its preparation method
  • Yb3+/Ce3+/Er3+ codoped oxychloro tellurate glass and its preparation method

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with specific examples.

[0038] Table 1 is the glass composition (mol%) of the present invention

[0039] TeO 2

50～80

BiCl 3

5～35

GeO 2

5～20

Na 2 o

3～5

La 2 o 3

1～3

Yb 2 o 3

2～5

Ce 2 o 3

0.5～0.8

Er 2 o 3

0.5～1

[0040] Table 2 has listed Yb of the present invention 3+ / C 3+ / Er 3+ Co-doped oxychlorotellurite glass 7 Group Specific Example Formulations.

[0041] Glass composition (mol%)

Group 1

Group 2

Group 3

Group 4

Group 5

Group 6

Group 7

TeO 2

80

75

70

65

60

55

50

BiCl 3

5

10

10

15

10

25

35

GeO 2

5

5

8

10

20

10

8

Na 2 o

3

3

5

5

3

...

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Abstract

The present invention relates to an Yb(3+)/Ce(3+)/Er(3+) codoped oxychlorinated tellurate glass and its preparation method. Said glass composition contains: (by mol%) 50-80 TeO2, 5-35 BiCl3, 5-20 GeO2, 3-5 Na2O, 1-3 La2O3, 2-5 Yb2O3, 0.5-0.8 Ce2O3 and 0.5-1 Er2O3. Said tellurate glass prepared by means of melting process is transparent, has high resistance to devitrification and good physical and chemical properties. Said glass can be extensively used in the optical fibre amplifier system.

Description

technical field [0001] The present invention relates to optical fiber amplifier, is a kind of Yb used for optical fiber amplifier 3+ / C a+ / Er 3+ Codoped oxychlorotellurite glasses and methods of making them. Background technique [0002] The main use of fiber amplifiers is to amplify transmitted signals using fluorescent ion emission. Ion emission should occur in the same operating wavelength region as the signal. The pump energy excites the rare earth metal ions, causing them to fluoresce, increasing optical gain. [0003] Effective fluorescence full width at half maximum (FWHM) refers to the lateral width of the curve at half the vertical height of the peak of the curve in the fluorescence intensity curve. With the rapid development of computer networks and data transmission services, the demand for increased data transmission capacity in long-distance transmission systems is increasing; traditional quartz erbium-doped fiber amplifiers cannot meet market demands due ...

Claims

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Application Information

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IPC IPC(8): C03C3/253
Inventor 汪国年姜中宏杨建虎温磊
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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